<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>列表排序</title>
    <!-- 引入vue -->
    <script type="text/javascript" src="../js/vue.js"></script>
</head>

<body>
    <!-- 准备好一个容器 -->
    <div id="demo">
        <h2>人员列表</h2>
        <input type="text" placeholder="请输入名字" v-model="keyWord">
        <ul>
            <li v-for="(p,index) of filPersons" :key="p.id">
                {{p.name}}-{{p.age}}-{{p.sex}}
            </li>
        </ul>
    </div>
    <script>
        Vue.config.productionTip = false // 以阻止 vue 在启动时生成生产提示。

        // watch实现
        //#region
        /*new Vue({
            el: '#demo',
            data: {
                keyWord: '',
                persons: [
                    { id: '01', name: '马冬梅', age: 19, sex: '女' },
                    { id: '02', name: '周冬雨', age: 20, sex: '女' },
                    { id: '03', name: '周杰伦', age: 21, sex: '男' },
                    { id: '04', name: '温兆伦', age: 22, sex: '男' }
                ],
                filPersons: []
            },
            watch: {
                keyWord: {
                    immediate: true,
                    handler (val)
                    {
                        this.filPersons = this.persons.filter((p) =>
                        {
                            return p.name.indexOf(val) !== -1
                        })
                    }
                }
            }
        })*/
        //#endregion

        // computed 实现
        const vm = new Vue({
            data: {
                keyWord: '',
                persons: [
                    { id: '01', name: '马冬梅', age: 19, sex: '女' },
                    { id: '02', name: '周冬雨', age: 20, sex: '女' },
                    { id: '03', name: '周杰伦', age: 21, sex: '男' },
                    { id: '04', name: '温兆伦', age: 22, sex: '男' }
                ]
            },
            computed: {
                filPersons ()
                {
                    return this.persons.filter((p) =>
                    {
                        return p.name.indexOf(this.keyWord) !== -1
                    })
                }
            }
        })
        vm.$mount('#demo')

    </script>
</body>

</html>